JLG 15/20MSP Service Manual - Manual (Page 62)

SECTION 4 - CONTROL COMPONENTS
4-6 – JLG Lift – 3121231
Battery - Installation - (2-12V Batteries)
To gain access to the batteries, requires opening or
removal of the upper half of the rear covers, see Section
4.2, Controls Cover Installation.
Procedure for removal is same for both batteries.
On installation, batteries set in machine with the posts to
the inside. Left side battery (–) NEG post at front (shown
below), Right side battery (+) POS post towards machine
front.
Battery Installation (Left Side Battery Shown)
1. Battery (a)
2. Hold-Down Bar 3. Battery Terminal Attach Nut/Washer (b)
4. Hold-Down Bar Wing-nut and Washer
NOTE: (a) Mount with terminal posts inboard.
(b) Apply battery terminal grease to prevent corro-
sion.